Loctite Epoxy Marine

LOCTITE® Epoxy Marine is a two-part, waterproof epoxy adhesive formulated for high-strength bonding, filling, and repairs in marine and underwater environments.

Loctite Epoxy Marine


Marine-grade epoxy adhesive for underwater and wet-environment applications

  • Creates strong, permanent bonds on fiberglass, metal, wood, glass, and rigid plastics

  • Fully waterproof and suitable for continuous water exposure

  • Gap-filling adhesive for structural repairs and sealing

  • Resistant to saltwater, impact, and most chemicals

  • Sets in 50 minutes with full cure in 24 hours

  • Can be sanded, drilled, and painted after curing

  • Ideal for boat repairs, marine hardware, and wet-environment assemblies



Application:

LOCTITE® Epoxy Marine is a professional-grade, waterproof two-component epoxy designed for bonding and repairing surfaces exposed to water. It is ideal for marine hardware, boat repairs, and wet-environment applications requiring durable, structural strength.

Performance Features & Benefits:

  • Waterproof & Marine-Grade: Withstands continuous water exposure, including saltwater.
  • High Strength: Provides permanent, structural bonds on a variety of materials.
  • Gap Filling: Ideal for sealing and repairing uneven or porous surfaces.
  • Chemical & Impact Resistant: Stands up to harsh marine conditions.
  • Workable Finish: Once cured, it can be sanded, drilled, and painted.

Main Application Areas:

  • Boat hull and deck repairs
  • Bonding marine hardware and fittings
  • Underwater repairs and wet-environment sealing

Specifications & Approvals:

  • Mix Ratio: 1:1 (resin to hardener)
  • Waterproof and chemical-resistant formulation
  • VOC-compliant

Environmental & Safety Information:

  • Apply in well-ventilated areas and avoid skin contact with uncured resin or hardener.
  • Clean uncured product with acetone or isopropyl alcohol.
  • Safety Data Sheet (SDS) available via inquiry

Technical Specifications:

Property Typical Value Test Method
Base Epoxy resin and hardener
Appearance Off-white
Mix Ratio (Resin:Hardener) 1:1 by volume
Working Time 50 minutes
Full Cure 24 hours
Tensile Strength 3200 psi (22 MPa) ASTM D638
Service Temperature Range -20°F to 200°F (-29°C to 93°C)
Gap Fill Up to 0.125 in (3.2 mm)
Water Resistance Fully waterproof after cure
VOC Content < 5% EPA Method 24

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